msxml2 问题
<Graph>
<CPoly Points="5" Point0_X="217" Point0_Y="103" Point1_X="78" Point1_Y="317" Point2_X="311" Point2_Y="338" Point3_X="367" Point3_Y="142" Point4_X="255" Point4_Y="216">CPoly</CPoly>
<CDot Point_X="574" Point_Y="73">CDot</CDot>
<CLine TopLeft_X="788" TopLeft_Y="131" BottomRight_X="507" BottomRight_Y="336">CLine</CLine>
</Graph>
写入了这样一段数据用于保存图形的信息，但是不知道怎么取出每个Point的值
